Matching (9) Match items in column A to column B

Column a Column b
1.
A.
Mantle
2.
B.
Inner Core
3.
C.
Core
4.
D.
Convection
5.
E.
Outer Core
6.
F.
Lithosphere
7.
G.
Dense
8.
H.
Crust
9.
I.
Asthenosphere